Home / 3,391.22-4,680.27-2,065.70

Finding the Fourth Proportional to 3,391.22, 4,680.27 and 2,065.70

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Solution

The fourth proportional to 3,391.22, 4,680.27 and 2,065.70 is: 2,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.22 : 4,680.27 = 2,065.70 : x
  2. Step 2: Convert to fraction form
    3,391.22/4,680.27 = 2,065.70/x
  3. Step 3: Cross multiply
    3,391.22x = 4,680.27 × 2,065.70
  4. Step 4: Simplify right side
    3,391.22x = 9,668,033.74
  5. Step 5: Solve for x
    x = 9,668,033.74/3,391.22
  6. Step 6: Final answer
    x = 2,850.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.